Coral Court Motel · Photo: Lori · CC BY-SA 2.0Living in Marlborough, MO: what to set up and who to call
Trash goes out on Mondays in Marlborough, collected by Republic Services. Tap water in Marlborough comes from Missouri American Water, which has a clean five-year EPA record (about 18% of systems its size had a health-based violation) and a latest lead result below detection.
I’m new in town
What to set up in Marlborough, and who provides it. Tap an answer for the details and where they come from.
Power, water and internet
Who to call to start service at a new address in Marlborough.
Power comes from Union Electric
Union Electric (Union Electric Co - (MO)), an investor-owned utility, serves all of Marlborough. Its homes paid an average of 13.3¢ per kWh in 2025, about $137 a month (its average across Missouri).
Service territory: HIFLD Electric Retail Service Territories (map dated Aug 2023). Prices and customers: EIA-861, 2025.
Water comes from Missouri American Water
Missouri American Water supplies almost all of Marlborough. It draws surface water (EPA lists St Louis City PWS as seller) and serves 1,111,000 people in all.
No health-based violations reported to EPA in the five years to October 2026, like 82% of the 27 systems serving more than 1,000,000 people.
The latest lead result on file, the 90th percentile of homes sampled in Jan 2023–Dec 2025, was 0.0 ppb, below the 15 ppb action level that applied. The highest in five years was 1.0 ppb. Results below detection are reported as 0, so 0 doesn’t mean no lead at any tap.
The system’s full record: EPA ECHO report
EPA SDWIS via Envirofacts (violations pulled Oct 9, 2026) and ECHO (lead samples, 2026Q3); service area: EPA Community Water System Service Area Boundaries v3.0. Violations are counted by the start of their compliance period. MO6010716.
6 home internet providers serve Marlborough
99% of 306 addresses can get 100/20 Mbps; 93% can get fiber.
| Provider | Technology | Addresses | Fastest (Mbps) |
|---|---|---|---|
| AT&T | Fiber, DSL, Fixed wireless | 98% | 5,000/5,000 |
| Spectrum | Cable, Fiber | 91% | 1,000/1,000 |
| Brown Dog Networks | Fixed wireless | 100% | 50/10 |
| Verizon | Fixed wireless | 89% | 300/20 |
| Wisper | Fixed wireless | 80% | 800/250 |
| T-Mobile | Fixed wireless | 49% | 100/20 |
FCC National Broadband Map, as of December 2025. Availability as providers report it, not speeds people get.
Trash day in Marlborough is Monday
Pickup days, the drop-off and recycling in Marlborough, from the town’s own site.
This month
- TrashEvery week
- Bulky itemsCall to book
Single-stream recycling
All your recyclables go in one bin, no sorting.
- Aluminum cans, trays, foil (must be clean)
- Aseptic packaging and gable top containers (milk and juice cartons)
- Steel cans and tins
- Glass bottles and jars (clear, brown, green)
- PET soda, water & flavored beverage bottles (clear and green)
- HDPE milk & juice (clear) detergent & fabric softener containers (colored)
- PP grocery containers (yogurt cups, narrow neck syrup and ketchup bottles)
- Plastic narrow neck containers only
- Plastic buckets, such as kitty litter buckets, 5 gallon maximum size
- Cardboard (no waxed cardboard)
From marlboroughmo.gov, the town’s official site, checked Oct 21, 2026. Rules change: the town’s page is the last word. .
Where your child goes to school
Public school districts and the school path by grade.
Marlborough is in Affton 101 School District.
C+School gradeSee Schools →U.S. Department of Education, NCES Common Core of Data, 2024–25. Enrollment rules and registration are the district’s.
Town hall and registering to vote
Who to call, and how to register.
Election office: FVAP local election office directory, updated Nov 2019; jurisdictions: EAC EAVS 2024. Registration rules and links: vote.gov, updated Nov 18, 2024.
Marlborough spans 2 ZIP codes
ZIP codes where Marlborough residents live, with the share of the town in each.
| ZIP | Post office name | Share of Marlborough | ZIP’s residents in Marlborough |
|---|---|---|---|
| 63123 | Saint Louis, MO | 87% | 4% |
| 63119 | Saint Louis, MO | 13% | 1% |
Census 2020 ZIP Code Tabulation Areas, by census block; post office names: GeoNames (CC BY 4.0). ZIPs created since 2020 are missing.
Getting around, the ER and the library
One line each; the subject pages have the rest.
ER: CMS hospital data. Library: IMLS Public Libraries Survey, FY2024.
Questions about living in Marlborough
Who supplies Marlborough’s drinking water, and has it had violations?
Missouri American Water (EPA ID MO6010716). It reported no health-based violations to EPA in the five years to October 2026; 82% of systems its size had none. Its latest lead 90th percentile was 0.0 ppb (Jan 2023–Dec 2025), against a 15 ppb action level.
Who provides electricity in Marlborough?
Union Electric (Union Electric Co - (MO)), an investor-owned utility. Its homes paid about 13.3¢ per kWh in 2025 (EIA).
What internet providers serve Marlborough?
AT&T, Spectrum, Brown Dog Networks, Verizon, Wisper, T-Mobile (FCC, as of December 2025).
What ZIP codes are in Marlborough?
63123 (87%), 63119 (13%), by share of residents. Census 2020 ZIP Code Tabulation Areas.
What school district is Marlborough in?
Affton 101 School District.
How do I register to vote in Marlborough?
In Missouri you can register online until 27 days before Election Day, in person until 27 days before Election Day, or by mail (postmarked 27 days before). Elections here are run by the St. Louis. Check your registration at voteroutreach.sos.mo.gov.
Sources & dates
Every answer above names its source. Here they are with their dates.
- Water: EPA SDWIS (Envirofacts, pulled Oct 9, 2026), ECHO SDWA 2026Q3, EPA CWS Service Area Boundaries v3.0.
- Power: HIFLD Electric Retail Service Territories (map Aug 2023); EIA-861 final 2025.
- Trash: Marlborough’s own website (marlboroughmo.gov), read Oct 21, 2026, pickup and drop-off facts extracted and checked against the page they came from.
- ZIP codes: Census 2020 ZCTA relationship files; GeoNames postal codes (CC BY 4.0).
- Schools: NCES Common Core of Data, 2024–25.
- Registration: vote.gov, updated Nov 18, 2024 (read Oct 10, 2026). Official sites and area codes: Wikidata.
- Election office: FVAP local election office directory (fetched Oct 10, 2026; each record dated), EAC EAVS 2024 jurisdictions; registration and lookup links from vote.gov’s state data, checked Oct 10, 2026.
- Internet: FCC National Broadband Map, as of December 2025.